World Intellectual Property Organization (Geneva, Switzerland). (2008). Strasbourg agreement concerning the international patent classification: Of March 24, 1971, as amended on September 28, 1979 ([1st ed.], [3rd reprint].). WIPO.
Chicago Style (17th ed.) CitationWorld Intellectual Property Organization (Geneva, Switzerland). Strasbourg Agreement Concerning the International Patent Classification: Of March 24, 1971, as Amended on September 28, 1979. [1st ed.], [3rd reprint]. Geneva: WIPO, 2008.
MLA (9th ed.) CitationWorld Intellectual Property Organization (Geneva, Switzerland). Strasbourg Agreement Concerning the International Patent Classification: Of March 24, 1971, as Amended on September 28, 1979. [1st ed.], [3rd reprint]. WIPO, 2008.
Warning: These citations may not always be 100% accurate.